"Giving every HN user power to delete all his comments will make HN unreadable." No, I think it would be so rare it would not make a difference. For that 'sma

"Giving every HN user power to delete all his comments will make HN unreadable." No, I think it would be so rare it would not make a difference. For that 'small intrusion' on your HN experience, you get a hefty dose of privacy and security protection. I would gladly agree if HN allowed people to 'delete all comments'.